N-(3,4-dimethoxyphenyl)-2-(1H-indol-3-yl)-2-oxoacetamide CAS 852367-82-9
| CAS No. | 852367-82-9 |
| Molecular Formula | C18H16N2O4 |
| Molecular Weight | 324.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
N-(3,4-dimethoxyphenyl)-2-(1H-indol-3-yl)-2-oxoacetamide (CAS 852367-82-9), molecular formula C18H16N2O4 and molecular weight 324.33 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, N-(3,4-dimethoxyphenyl)-2-(1H-indol-3-yl)-2-oxoacetamide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 324.33 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C18H16N2O4 |
| Molecular Weight | 324.33 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
Related N Standards
- 3-(2-(3,4-Dimethoxyphenyl)imidazo[1,2-a]pyridin-3-yl)acrylic acid (CAS 727652-22-4)
- 3-(2,4-Dimethoxyphenyl)-1-phenyl-1h-pyrazole-4-carboxylic acid (CAS 956611-49-7)
- 3-(2,5-Dimethoxyphenyl)-1-phenyl-1h-pyrazole-4-carboxylic acid (CAS 956386-16-6)
- 3-(3,4-Dimethoxyphenyl)-1-phenyl-1h-pyrazole-4-carboxylic acid (CAS 379223-64-0)
- 4-(3,4-Dimethoxyphenyl)-1-phenyl-1h-pyrazole-3-carboxylic acid (CAS 956705-43-4)
- N-(2,4-dimethoxyphenyl)-6-(1H-pyrazol-1-yl)nicotinamide (CAS 321533-71-5)
- N-(2,5-dimethoxyphenyl)-6-(1H-pyrazol-1-yl)nicotinamide (CAS 321533-64-6)
- 3-(((3,4-Dimethoxyphenyl)amino)methyl)-7-methylquinolin-2-ol (CAS 873301-13-4)
Recommended Standards
- N-(4-Methoxyphenyl)-N,2-dimethyl-6-nitroquinazolin-4-amine (CAS 827031-44-7)
- N-(4-Methoxyphenyl)-N,2-dimethyl-7-nitroquinazolin-4-amine (CAS 827031-47-0)
- Methyl 4-((6-(3,5-dimethyl-1H-pyrazol-1-yl)pyrimidin-4-yl)oxy)benzoate (CAS 413620-32-3)
- N-(Benzoyloxy)-2-benzyl-2,5-dihydrooxazole-4-carboxamide (CAS 88144-12-1)
- 6-(2,5-Dimethylphenoxy)nicotinic acid (CAS 954264-14-3)
- 10-Methylacridin-10-ium (CAS 13367-81-2)
- 3-Chloro-2-(4-methoxyphenoxy)aniline (CAS 937604-65-4)
- (5-bromanyl-2-methoxy-pyridin-3-yl)boronic acid (5-bromo-2-methoxy-3-pyridinyl)boronic acid (5-bromo-2-methoxy-3-pyridyl)boronic acid (5-bromo-2-methoxypyridin-3-yl)boronic acid 5-Bromo-2-methoxypyridine-3-boronic acid 850864-59-4 (CAS 850864-59-4)
- 4-(7-(Bromomethyl)-2-chloropyrido[2,3-d]pyrimidin-4-yl)morpholine (CAS 1227958-17-9)
- 5-(Hydroxymethyl)-3-[2-(2-methoxyphenoxy)ethyl]-2-oxazolidinone (CAS 1798014-64-8)
- 4-chloro-N-methyl-pyridin-3-amine (CAS 1346538-40-6)
- ethyl 1-(3-aminophenyl)-5-methyl-1H-pyrazole-4-carboxylate (CAS 209540-02-3)
- 5-Amino-1-(3,5-difluorophenyl)-1h-pyrazole-4-carbonitrile (CAS 1232780-81-2)
- Semaglutide Impurity 11 (CAS CATO-C4X-222611)
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